Chapter 5 Trouble shooting and maintenance
5-11
The
iDrive
will not power-up / Motor will not run
Is MCCB
open?
Can MCCB be
closed?
‘LED display
lit?
Short-circuited wiring
or inverter input circuit damaged
power supply fault
iDrive
fault
Switch external switch to
“RUN” position
iDrive
fault
iDrive
fault
YES
YES
․
Motor over load
․
Motor fault
․
wiring incorrect
NO
YES
YES
NO
Is the operation
switch in RUN
position?
NO
NO
NO
NO
NO
Are the voltages
between
all correct?
Is there
Output voltage?
outputs even?
YES